Question

a (a-b) + b(a-b) =





please answer me​

Answer 1

Step-by-step explanation:

a (a-b) + b(a-b)

→ a² - ab + ab - b²

→ a² - b²

Answer 2

a(a-b)+b(a-b)=(a-b)(a+b)

and (a-b)(a+b)=a²-b²